1 person 3-4-years old 4-5 years old Afraid Bib overalls Boys Caucasians Cautious Child photography Childhood Children Children only Close up Doubtful Five years old Four years old Frowning Grimace Horizontal Individual Kids One person Overalls People Person Portraits Preschoolers Sad Smirk Solo Square Stock photo Studio Sulking Three years old Uncertain Under 5 Unhappy Unsure Upset